Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 43, Issue 1, Pages 62-68Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2007.10.025
Keywords
chitosan; electroless plating; XPS; palladium adsorption; UV-curable chitosan derivatives
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The results of X-ray photoelectron spectroscopy (XPS) analyses indicated that palladium chloride was adsorbed on a plastic surface coated with a chitosan-containing paint (C-Paint), and was completely reduced to Pd(0) after reduction with dimethylamine-borane. To improve the stability and hardening properties of C-Paint, UV-curable chitosan derivatives, such as N-[3-methoxy-4-(2-hydroxy-3-methacryloyloxypropoxy) phenyl]methylated chitosan and N-(3-methoxy-4-methacryloyloxyphenyl)methylated chitosan, were synthesized. The derivatives showed better affinity for organic solvents. After UV irradiation for 20 s, an acidic solution of these derivatives was transformed to a gel, and the dried films exhibited good palladium(H) adsorption at pH I. I. (C) 2007 Elsevier B.V. All rights reserved.
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